US Bridges

Csah 10 over Yellow Medicine River

Good

Lyon County, Minnesota · 1.5 MI S of CO Line · Structure no. 42521

Built
1971
54 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
160 ft
4 main spans
Daily traffic
285
2018 count
Owner
County
County Highway Agency

About this bridge

Csah 10 over Yellow Medicine River is a wood or timber stringer/multi-beam or girder carrying Csah 10 over Yellow Medicine River in Lyon County, Minnesota. It was built in 1971, so it is 54 years old, older than the Minnesota average of 38.5 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 285 vehicles a day, projected to reach 270 by 2038. The structure is 160 ft (48.8 m) long and 35 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCsah 10
CrossesYellow Medicine River
Location1.5 MI S of CO Line
RouteCounty Highway 10
Coordinates44.61015, -95.93068
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.8 US tons
Inventory rating33.8 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans4
Design loadUnknown
Structure length160 ft (48.8 m)
Longest span40 ft (12.2 m)
Deck width35 ft (10.7 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic285 (2018)
Projected traffic270 by 2038
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Csah 10 over Yellow Medicine River built?

It was built in 1971, making it 54 years old in 2025.

What condition is Csah 10 over Yellow Medicine River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in September 2024.

How much traffic does Csah 10 over Yellow Medicine River carry?

About 285 vehicles per day (2018 count).

How long is Csah 10 over Yellow Medicine River?

The structure is 160 ft (48.8 m) long with a longest span of 40 ft (12.2 m) and a deck 35 ft wide.

Who owns Csah 10 over Yellow Medicine River?

It is owned by the County Highway Agency.